A research carried out among tribal people and urban people in South America has revealed that the urban population has less microbial diversity in their bodies as compared to their tribal counterparts. Microbiomes are the small organisms present in our body that play a crucial role to protect our immune system. Researchers collected the samples from the urban people, houses, pets and found a lack of diversity in microbiomes possibly due to extensive exposure to harmful chemicals present in our surroundings.
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